[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100608064":3},{"organization":4,"armGroups":7,"interventions":26,"overallOfficials":43,"centralContacts":47,"locations":56,"responsibleParty":89,"collaborators":52,"id":92,"slug":93,"hasResults":94,"nctId":95,"briefTitle":96,"officialTitle":97,"acronym":98,"eligibilityCriteria":99,"healthyVolunteers":94,"sex":100,"minAge":101,"maxAge":102,"enrollmentInfo":103,"targetDuration":52,"studyType":106,"phases":107,"briefSummary":109,"conditions":110,"keywords":112,"overallStatus":59,"whyStopped":52,"lastUpdateSubmitDate":114,"lastUpdatePostDateStruct":115,"startDateStruct":118,"completionDateStruct":120,"leadSponsor":122,"locationsCount":123},{"fullName":5,"class":6},"Zhejiang Cancer Hospital","OTHER",[8,14,20],{"label":9,"type":10,"description":11,"interventionNames":12},"GMA-Tulip","EXPERIMENTAL","Insert GMA-Tulip in this group and observe the outcomes",[13],"Device: GMA-Tulip",{"label":15,"type":16,"description":17,"interventionNames":18},"I-gel","ACTIVE_COMPARATOR","Insert I-gel in this group and observe the outcomes",[19],"Device: I-gel",{"label":21,"type":22,"description":23,"interventionNames":24},"LMA-Supreme","SHAM_COMPARATOR","Insert LMA-Supreme in this group and observe the outcomes",[25],"Device: LMA-Supreme insertion",[27,33,38],{"type":28,"name":9,"description":29,"armGroupLabels":30,"otherNames":31},"DEVICE","Under general anesthesia, GMA-Tulip laryngeal mask is inserted following standardized protocols. CT scanning and fiberoptic laryngoscopy are performed to assess insertion depth, anatomical alignment, and tissue compression.",[9],[32],"GMA-Tulip insertion",{"type":28,"name":15,"description":34,"armGroupLabels":35,"otherNames":36},"Under general anesthesia, I-gel laryngeal mask is inserted following standardized protocols. CT scanning and fiberoptic laryngoscopy are performed to assess insertion depth, anatomical alignment, and tissue compression.",[15],[37],"I-gel insertion",{"type":28,"name":39,"description":40,"armGroupLabels":41,"otherNames":42},"LMA-Supreme insertion","Under general anesthesia, LMA Supreme laryngeal mask is inserted following standardized protocols. CT scanning and fiberoptic laryngoscopy are performed to assess insertion depth, anatomical alignment, and tissue compression.",[21],[21],[44],{"name":45,"affiliation":5,"role":46},"Jiangling Wang, Dr","PRINCIPAL_INVESTIGATOR",[48,54],{"name":49,"role":50,"phone":51,"phoneExt":52,"email":53},"Xiaochun Jin, M.D","CONTACT","+86 571-88122564",null,"ec@zjcc.org.cn",{"name":45,"role":50,"phone":52,"phoneExt":52,"email":55},"wangjl@zjcc.org.cn",[57,78],{"facility":58,"status":59,"city":60,"state":61,"zip":62,"country":63,"countryCode":64,"cosmosGeoPoint":65,"geoPoint":70,"contacts":71},"Ethics Committee of Zhejiang Cancer Hospital","RECRUITING","Hangzhou","Zhejiang","310022","China","CN",{"type":66,"coordinates":67},"Point",[68,69],120.16142,30.29365,{"lat":69,"lon":68},[72,75],{"name":73,"role":50,"phone":74,"phoneExt":52,"email":53},"Xiaochun Jin, Dr.","+86 571 88122564",{"name":76,"role":77,"phone":52,"phoneExt":52,"email":52},"Pingbp Xu, Ph. D","SUB_INVESTIGATOR",{"facility":79,"status":59,"city":60,"state":61,"zip":62,"country":63,"countryCode":64,"cosmosGeoPoint":80,"geoPoint":82,"contacts":83},"Jiangling Wang",{"type":66,"coordinates":81},[68,69],{"lat":69,"lon":68},[84,86],{"name":85,"role":50,"phone":52,"phoneExt":52,"email":55},"Jiangling Wang, Ph. D",{"name":87,"role":50,"phone":52,"phoneExt":52,"email":88},"Pingbo Xu, Ph. D","xupb@zjcc.org.cn",{"type":46,"investigatorFullName":90,"investigatorTitle":91,"investigatorAffiliation":5,"oldNameTitle":52,"oldOrganization":52},"Wang Jiangling","Principal Investigator","100608064","an-in-vivo-ct-imaging-study-of-gma-tulip-i-gel-and-lma-supreme-glam-ii-100608064",false,"NCT07196696","An in Vivo CT Imaging Study of GMA-Tulip, I-gel, and LMA Supreme (GLAM-II)","An in Vivo CT Imaging Study After Insertion of the LMA Supreme, I-gel, and GMA-Tulip Airway Devices Under General Anesthesia (GLAM-II)","GLAM-II","Inclusion Criteria:\n\n* Aged 18-75 years, scheduled for CT interventional therapy;\n* Aged 18-75 years, scheduled for CT interventional therapy;\n* Body Mass Index (BMI) \\\u003C30 kg\u002Fm²;\n* Good communication and cooperation, with voluntary signing of the informed consent form.\n\nExclusion Criteria:\n\n* Presence of head\u002Fneck or airway anatomical abnormalities (e.g., laryngeal cartilage malformation, Grade III tonsillar hypertrophy, tongue hypertrophy, cervical spine malformation) that may affect laryngeal mask insertion or CT imaging evaluation;\n* Current participation in other clinical studies.","ALL","18 Years","75 Years",{"count":104,"type":105},9,"ESTIMATED","INTERVENTIONAL",[108],"NA","Laryngeal masks are core devices for supraglottic airway management, and the accuracy of their anatomical position directly impacts ventilation safety and the incidence of complications. Despite their wide clinical application, gaps remain in understanding their in vivo anatomical characteristics. This study aims to evaluate the in vivo anatomical features (e.g., insertion depth, anatomical alignment, tissue compression) of three laryngeal masks (LMA Supreme, I-gel, GMA-Tulip) using CT scanning in anesthetized patients undergoing CT interventional therapy, providing anatomical evidence for optimized laryngeal mask selection and complication prevention.",[111],"Supraglottic Airway Device",[9,15,21,113],"Supraglottic airway device","2025-11-24",{"date":116,"type":117},"2025-11-25","ACTUAL",{"date":119,"type":117},"2025-10-12",{"date":121,"type":105},"2025-12-31",{"name":5,"class":6},2]